# Fixed includes.
[cacao.git] / src / vm / jit / parse.c
index 95c55f4131841e884f47b66eb458e074bef70e76..8613eef35f04083b0f774d69872d608410b41714 100644 (file)
@@ -1,4 +1,4 @@
-/* vm/jit/parse.c - parser for JavaVM to intermediate code translation
+/* src/vm/jit/parse.c - parser for JavaVM to intermediate code translation
 
    Copyright (C) 1996-2005 R. Grafl, A. Krall, C. Kruegel, C. Oates,
    R. Obermaisser, M. Platter, M. Probst, S. Ring, E. Steiner,
    Changes: Carolyn Oates
             Edwin Steiner
             Joseph Wenninger
+            Christian Thalinger
 
-   $Id: parse.c 2193 2005-04-02 19:33:43Z edwin $
+   $Id: parse.c 3129 2005-08-17 23:43:38Z michi $
 
 */
 
 
+#include <assert.h>
 #include <string.h>
 
 #include "config.h"
 #include "vm/statistics.h"
 #include "vm/stringlocal.h"
 #include "vm/tables.h"
+#include "vm/jit/asmpart.h"
 #include "vm/jit/jit.h"
 #include "vm/jit/parse.h"
+#include "vm/jit/patcher.h"
 #include "vm/jit/inline/parseRT.h"
 #include "vm/jit/inline/parseXTA.h"
 #include "vm/jit/inline/inline.h"
@@ -96,7 +100,7 @@ static exceptiontable* fillextable(methodinfo *m,
        /*if (m->exceptiontablelength > 0) {
          METHINFOx(m);
          printf("m->exceptiontablelength=%i\n",m->exceptiontablelength);
-         panic("exceptiontablelength > 0");
+         assert(0);
          }*/
 
        b_count = *block_count;
@@ -112,12 +116,16 @@ static exceptiontable* fillextable(methodinfo *m,
 /*** if (DEBUG==true){printf("---------------------block_inserted:b_count=%i m->basicblockindex[(p=%i)]=%i=%p\n",b_count,p,m->basicblockindex[(p)],m->basicblockindex[(p)]); 
   fflush(stdout); } ***/   
                p = raw_extable[src].endpc; /* see JVM Spec 4.7.3 */
-               if (p <= raw_extable[src].startpc)
-                       panic("Invalid exception handler range");
+               if (p <= raw_extable[src].startpc) {
+                       log_text("Invalid exception handler range");
+                       assert(0);
+               }
 
                if (p >inline_env->method->jcodelength) {
-                       panic("Invalid exception handler end is after code end");
+                       log_text("Invalid exception handler end is after code end");
+                       assert(0);
                }
+
                if (p<inline_env->method->jcodelength) insertBlock=1; else insertBlock=0;
                 /*if (label_index !=NULL) printf("%s:translating endpc:%ld to %ld, label_index:%p\n",m->name->text,p,label_index[p],label_index); else
                        printf("%s:fillextab: endpc:%ld\n",m->name->text,p);*/
@@ -169,12 +177,18 @@ methodinfo *parse(methodinfo *m, codegendata *cd, t_inlining_globals *inline_env
        exceptiontable* nextex;     /* points next free entry in extable  */
        u1 *instructionstart;       /* 1 for pcs which are valid instr. starts    */
 
+       constant_classref  *cr;
+       constant_classref  *compr;
+       classinfo          *c;
+       builtintable_entry *bte;
+
        u2 lineindex = 0;
        u2 currentline = 0;
        u2 linepcchange = 0;
 
        u2 skipBasicBlockChange;
 
+#if defined(USE_INLINING)
 METHINFOt(m,"\nPARSING: ",DEBUG4);
 if ((opt_rt) || (opt_xta)) {
   FILE *Missed;
@@ -201,16 +215,20 @@ if ((opt_rt) || (opt_xta)) {
       }
    } 
 }
-       /* INLINING */
+#endif
 
+#if defined(USE_INLINING)
        if (useinlining) {
                label_index = inlinfo->label_index;
                m->maxstack = inline_env->cummaxstack;
                /*JOWENN m->exceptiontablelength = inline_env->cumextablelength;*/
-               tmpinlinf = (inlining_methodinfo*) 
-                               list_first(inlinfo->inlinedmethods);
-               if (tmpinlinf != NULL) nextgp = tmpinlinf->startgp;
+
+               tmpinlinf = (inlining_methodinfo *) list_first(inlinfo->inlinedmethods);
+
+               if (tmpinlinf != NULL)
+                       nextgp = tmpinlinf->startgp;
        }
+#endif
 
 /**** static analysis has to be called before inlining
         which has to be called before reg_set
@@ -278,7 +296,7 @@ if (m->exceptiontablelength > 0)
 
        if (m->linenumbercount == 0) {
                lineindex = 0;
-
+               /*printf("linenumber count == 0\n");*/
        } else {
                linepcchange = m->linenumbers[0].start_pc;
        }
@@ -292,6 +310,7 @@ if (m->exceptiontablelength > 0)
                if (!iswide) {
                        instructionstart[gp] = 1;
                        /*log_text("new start of instruction");*/
+                        /*printf ("%s, linepcchange %d,p %d\n",inline_env->method->name->text,linepcchange,p);*/
                        if (linepcchange==p) {
                                if (inline_env->method->linenumbercount > lineindex) {
                                        currentline = inline_env->method->linenumbers[lineindex].line_number;
@@ -303,7 +322,7 @@ if (m->exceptiontablelength > 0)
                        }
                }
 
-               /*INLINING*/
+#if defined(USE_INLINING)
                if ((useinlining) && (gp == nextgp)) {
                        u1 *tptr;
                        bool *readonly = NULL;
@@ -316,8 +335,11 @@ if (m->exceptiontablelength > 0)
 
                        opcode = code_get_u1(p,inline_env->method);
                        nextp = p += jcommandsize[opcode];
-                       if (nextp > inline_env->method->jcodelength)
-                               panic("Unexpected end of bytecode");
+                       if (nextp > inline_env->method->jcodelength) {
+                               log_text("Unexpected end of bytecode");
+                               assert(0);
+                       }
+
                        tmpinlinf = list_first(inlinfo->inlinedmethods);
                        firstlocal = tmpinlinf->firstlocal;
                        label_index = tmpinlinf->label_index;
@@ -379,7 +401,8 @@ METHINFO(inline_env->method,DEBUG);
                            label_index, &b_count, inline_env);
                        continue;
                }
-         
+#endif /* defined(USE_INLINING) */
+
                opcode = code_get_u1(p,inline_env->method);            /* fetch op code  */
         if (DEBUG==true) 
                {
@@ -409,8 +432,12 @@ fflush(stdout);
                }
 
                nextp = p + jcommandsize[opcode];   /* compute next instruction start */
-               if (nextp > inline_env->method->jcodelength)
-                       panic("Unexpected end of bytecode");
+
+               if (nextp > inline_env->method->jcodelength) {
+                       log_text("Unexpected end of bytecode");
+                       assert(0);
+               }
+
                s_count += stackreq[opcode];            /* compute stack element count    */
 SHOWOPCODE(DEBUG4)
                switch (opcode) {
@@ -428,17 +455,19 @@ SHOWOPCODE(DEBUG4)
                        break;
 
                case JAVA_LDC1:
-                       i = code_get_u1(p+1,inline_env->method);
-
+                       i = code_get_u1(p + 1, inline_env->method);
                        goto pushconstantitem;
+
                case JAVA_LDC2:
                case JAVA_LDC2W:
-                       i = code_get_u2(p + 1,inline_env->method);
+                       i = code_get_u2(p + 1, inline_env->method);
 
                pushconstantitem:
 
-                       if (i >= inline_env->method->class->cpcount) 
-                               panic ("Attempt to access constant outside range");
+                       if (i >= inline_env->method->class->cpcount) {
+                               dolog("Attempt to access constant outside range: %d >= %d", i, inline_env->method->class->cpcount);
+                               assert(0);
+                       }
 
                        switch (inline_env->method->class->cptags[i]) {
                        case CONSTANT_Integer:
@@ -456,7 +485,9 @@ SHOWOPCODE(DEBUG4)
                        case CONSTANT_String:
                                LOADCONST_A(literalstring_new((utf *) (inline_env->method->class->cpinfos[i])));
                                break;
-                       default: panic("Invalid constant type to push");
+                       default:
+                               log_text("Invalid constant type to push");
+                               assert(0);
                        }
                        break;
 
@@ -620,86 +651,89 @@ SHOWOPCODE(DEBUG4)
                        nextp = p + 1;
                        break;
 
-                       /* managing arrays ************************************************/
+               /* managing arrays ****************************************************/
 
                case JAVA_NEWARRAY:
                        OP(ICMD_CHECKASIZE);
-                       switch (code_get_s1(p + 1,inline_env->method)) {
+                       switch (code_get_s1(p + 1, inline_env->method)) {
                        case 4:
-                               BUILTIN1(BUILTIN_newarray_boolean, TYPE_ADR,currentline);
+                               bte = builtintable_get_internal(BUILTIN_newarray_boolean);
                                break;
                        case 5:
-                               BUILTIN1(BUILTIN_newarray_char, TYPE_ADR,currentline);
+                               bte = builtintable_get_internal(BUILTIN_newarray_char);
                                break;
                        case 6:
-                               BUILTIN1(BUILTIN_newarray_float, TYPE_ADR,currentline);
+                               bte = builtintable_get_internal(BUILTIN_newarray_float);
                                break;
                        case 7:
-                               BUILTIN1(BUILTIN_newarray_double, TYPE_ADR,currentline);
+                               bte = builtintable_get_internal(BUILTIN_newarray_double);
                                break;
                        case 8:
-                               BUILTIN1(BUILTIN_newarray_byte, TYPE_ADR,currentline);
+                               bte = builtintable_get_internal(BUILTIN_newarray_byte);
                                break;
                        case 9:
-                               BUILTIN1(BUILTIN_newarray_short, TYPE_ADR,currentline);
+                               bte = builtintable_get_internal(BUILTIN_newarray_short);
                                break;
                        case 10:
-                               BUILTIN1(BUILTIN_newarray_int, TYPE_ADR,currentline);
+                               bte = builtintable_get_internal(BUILTIN_newarray_int);
                                break;
                        case 11:
-                               BUILTIN1(BUILTIN_newarray_long, TYPE_ADR,currentline);
+                               bte = builtintable_get_internal(BUILTIN_newarray_long);
                                break;
-                       default: panic("Invalid array-type to create");
+                       default:
+                               log_text("Invalid array-type to create");
+                               assert(0);
                        }
+                       BUILTIN(bte, bte->md->paramcount, NULL, currentline);
                        OP(ICMD_CHECKEXCEPTION);
                        break;
 
                case JAVA_ANEWARRAY:
                        OP(ICMD_CHECKASIZE);
-                       i = code_get_u2(p + 1,inline_env->method);
-                       {
-                               classinfo *component;
-                               constant_classref *cr =
-                                       (constant_classref*) class_getconstant(inline_env->method->class, i, CONSTANT_Class);
+                       i = code_get_u2(p + 1, inline_env->method);
+                       compr = (constant_classref *) class_getconstant(inline_env->method->class, i, CONSTANT_Class);
 
-                               if (!resolve_classref(inline_env->method,
-                                                       cr,resolveEager,true,&component))
-                                       return NULL;
+                       if (!(cr = class_get_classref_multiarray_of(1, compr)))
+                               return NULL;
 
-                               LOADCONST_A_BUILTIN(class_array_of(component)->vftbl);
-                               s_count++;
-                               BUILTIN2(BUILTIN_newarray, TYPE_ADR, currentline);
+                       if (!resolve_classref(inline_env->method, cr, resolveLazy, true, true, &c))
+                               return NULL;
+
+                       if (c) {
+                               bte = builtintable_get_internal(BUILTIN_newarray);
+                               LOADCONST_A_BUILTIN(c->vftbl);
+                               BUILTIN(bte, bte->md->paramcount, NULL, currentline);
+
+                       } else {
+                               bte = builtintable_get_internal(PATCHER_builtin_newarray);
+                               LOADCONST_A_BUILTIN(cr);
+                               BUILTIN(bte, bte->md->paramcount, cr, currentline);
                        }
+                       s_count++;
                        OP(ICMD_CHECKEXCEPTION);
                        break;
 
                case JAVA_MULTIANEWARRAY:
                        inline_env->method->isleafmethod = false;
-                       i = code_get_u2(p + 1,inline_env->method);
+                       i = code_get_u2(p + 1, inline_env->method);
                        {
-                               vftbl_t *arrayvftbl;
-                               s4 v = code_get_u1(p + 3,inline_env->method);
-
-                               
-/*                             vftbl *arrayvftbl = */
-/*                                     ((classinfo *) class_getconstant(class, i, CONSTANT_Class))->vftbl; */
-/*                             OP2A(opcode, v, arrayvftbl,currentline); */
+                               constant_classref *cr;
+                               classinfo *c;
+                               s4 v = code_get_u1(p + 3, inline_env->method);
 
-                               
-                               classinfo *component;
-                           constant_classref * cr =
-                                       (constant_classref*) class_getconstant(inline_env->method->class, i, CONSTANT_Class);
+                               cr = (constant_classref *) class_getconstant(inline_env->method->class, i, CONSTANT_Class);
 
-                               if (!resolve_classref_or_classinfo(inline_env->method,
-                                                       CLASSREF_OR_CLASSINFO(cr),resolveEager,true,&component))
+                               if (!resolve_classref(inline_env->method, cr, resolveLazy, true, true, &c))
                                        return NULL;
 
-                               arrayvftbl = component->vftbl;
-                               OP2A(opcode, v, arrayvftbl, currentline);
+                               if (c) {
+                                       OP2AT(opcode, v, c->vftbl, NULL, currentline);
 
-/*                             classinfo *arrayclass = */
-/*                                     (classinfo *) class_getconstant(class, i, CONSTANT_Class); */
-/*                             OP2A(opcode, v, arrayclass, currentline); */
+                               } else {
+                                       OP2AT(opcode, v, cr,
+                                                 (voidptr) (ptrint) PATCHER_builtin_multianewarray,
+                                                 currentline);
+                               }
                        }
                        break;
 
@@ -726,6 +760,7 @@ SHOWOPCODE(DEBUG4)
                                debug_writebranch;
                                i = label_index[i];
                        }
+                       /*printf("GOTO: %d\n",i);*/
                        bound_check(i);
                        block_insert(i);
                        blockend = true;
@@ -798,7 +833,7 @@ SHOWOPCODE(DEBUG4)
                        break;
                                
 
-                       /* table jumps ********************************/
+               /* table jumps ********************************************************/
 
                case JAVA_LOOKUPSWITCH:
                        {
@@ -808,21 +843,25 @@ SHOWOPCODE(DEBUG4)
 
                                blockend = true;
                                nextp = ALIGN((p + 1), 4);
-                               if (nextp + 8 > inline_env->method->jcodelength)
-                                       panic("Unexpected end of bytecode");
+
+                               if (nextp + 8 > inline_env->method->jcodelength) {
+                                       log_text("Unexpected end of bytecode");
+                                       assert(0);
+                               }
+
                                if (!useinlining) {
                                        tablep = (s4 *) (inline_env->method->jcode + nextp);
 
                                } else {
-                                       num = code_get_u4(nextp + 4,inline_env->method);
+                                       num = code_get_u4(nextp + 4, inline_env->method);
                                        tablep = DMNEW(s4, num * 2 + 2);
                                }
 
-                               OP2A(opcode, 0, tablep,currentline);
+                               OP2A(opcode, 0, tablep, currentline);
 
                                /* default target */
 
-                               j =  p + code_get_s4(nextp,inline_env->method);
+                               j =  p + code_get_s4(nextp, inline_env->method);
                                if (useinlining) 
                                        j = label_index[j];
                                *tablep = j;     /* restore for little endian */
@@ -833,18 +872,21 @@ SHOWOPCODE(DEBUG4)
 
                                /* number of pairs */
 
-                               num = code_get_u4(nextp,inline_env->method);
+                               num = code_get_u4(nextp, inline_env->method);
                                *tablep = num;
                                tablep++;
                                nextp += 4;
 
-                               if (nextp + 8*(num) > inline_env->method->jcodelength)
-                                       panic("Unexpected end of bytecode");
+                               if (nextp + 8 * num > inline_env->method->jcodelength) {
+                                       /* XXX TODO VerifyError */
+                                       log_text("Unexpected end of bytecode");
+                                       assert(0);
+                               }
 
                                for (i = 0; i < num; i++) {
                                        /* value */
 
-                                       j = code_get_s4(nextp,inline_env->method);
+                                       j = code_get_s4(nextp, inline_env->method);
                                        *tablep = j; /* restore for little endian */
                                        tablep++;
                                        nextp += 4;
@@ -880,8 +922,12 @@ SHOWOPCODE(DEBUG4)
 
                                blockend = true;
                                nextp = ALIGN((p + 1), 4);
-                               if (nextp + 12 > inline_env->method->jcodelength)
-                                       panic("Unexpected end of bytecode");
+                               if (nextp + 12 > inline_env->method->jcodelength) {
+                                       /* XXX TODO VerifyError */
+                                       log_text("Unexpected end of bytecode");
+                                       assert(0);
+                               }
+
                                if (!useinlining) {
                                        tablep = (s4 *) (inline_env->method->jcode + nextp);
 
@@ -890,11 +936,11 @@ SHOWOPCODE(DEBUG4)
                                        tablep = DMNEW(s4, num + 1 + 3);
                                }
 
-                               OP2A(opcode, 0, tablep,currentline);
+                               OP2A(opcode, 0, tablep, currentline);
 
                                /* default target */
 
-                               j = p + code_get_s4(nextp,inline_env->method);
+                               j = p + code_get_s4(nextp, inline_env->method);
                                if (useinlining)
                                        j = label_index[j];
                                *tablep = j;     /* restore for little endian */
@@ -905,24 +951,31 @@ SHOWOPCODE(DEBUG4)
 
                                /* lower bound */
 
-                               j = code_get_s4(nextp,inline_env->method);
+                               j = code_get_s4(nextp, inline_env->method);
                                *tablep = j;     /* restore for little endian */
                                tablep++;
                                nextp += 4;
 
                                /* upper bound */
 
-                               num = code_get_s4(nextp,inline_env->method);
+                               num = code_get_s4(nextp, inline_env->method);
                                *tablep = num;   /* restore for little endian */
                                tablep++;
                                nextp += 4;
 
                                num -= j;  /* difference of upper - lower */
-                               if (num < 0)
-                                       panic("invalid TABLESWITCH: upper bound < lower bound");
 
-                               if (nextp + 4*(num+1) > inline_env->method->jcodelength)
-                                       panic("Unexpected end of bytecode");
+                               if (num < 0) {
+                                       /* XXX TODO VerifyError */
+                                       log_text("invalid TABLESWITCH: upper bound < lower bound");
+                                       assert(0);
+                               }
+
+                               if (nextp + 4 * (num + 1) > inline_env->method->jcodelength) {
+                                       /* XXX TODO VerifyError */
+                                       log_text("Unexpected end of bytecode");
+                                       assert(0);
+                               }
 
                                for (i = 0; i <= num; i++) {
                                        j = p + code_get_s4(nextp,inline_env->method);
@@ -942,271 +995,306 @@ SHOWOPCODE(DEBUG4)
                        }
 
 
-                       /* load and store of object fields *******************/
+               /* load and store of object fields ************************************/
 
                case JAVA_AASTORE:
-                       BUILTIN3(BUILTIN_aastore, TYPE_VOID, currentline);
+                       bte = builtintable_get_internal(BUILTIN_canstore);
+                       OP2A(opcode, bte->md->paramcount, bte, currentline);
+                       inline_env->method->isleafmethod = false;
                        break;
 
-               case JAVA_PUTSTATIC:
                case JAVA_GETSTATIC:
-                       i = code_get_u2(p + 1,inline_env->method);
+               case JAVA_PUTSTATIC:
+               case JAVA_GETFIELD:
+               case JAVA_PUTFIELD:
                        {
-                               constant_FMIref *fr;
-                               fieldinfo *fi;
-                               classinfo *frclass;
+                               constant_FMIref  *fr;
+                               unresolved_field *uf;
+                               fieldinfo        *fi;
 
-                               fr = class_getconstant(inline_env->method->class, i, CONSTANT_Fieldref);
-                               if (!resolve_classref(inline_env->method,fr->classref,resolveEager,true,&frclass))
-                                       return NULL;
+                               i = code_get_u2(p + 1, inline_env->method);
+                               fr = class_getconstant(inline_env->method->class, i,
+                                                                          CONSTANT_Fieldref);
 
-                               fi = class_resolvefield(frclass,
-                                                                               fr->name,
-                                                                               fr->descriptor,
-                                                                               inline_env->method->class,
-                                                                               true);
+                               OP2A_NOINC(opcode, fr->parseddesc.fd->type, fr, currentline);
 
-                               if (!fi)
+                               if (!(uf = create_unresolved_field(inline_env->method->class,
+                                                                                                  inline_env->method,
+                                                                                                  iptr)))
                                        return NULL;
 
-                               OP2A(opcode, fi->type, fi, currentline);
-                               if (!fi->class->initialized) {
-                                       inline_env->method->isleafmethod = false;
-                               }
-                       }
-                       break;
+                               /* store unresolved_field pointer */
 
-               case JAVA_PUTFIELD:
-               case JAVA_GETFIELD:
-                       i = code_get_u2(p + 1,inline_env->method);
-                       {
-                               constant_FMIref *fr;
-                               fieldinfo *fi;
-                               classinfo *frclass;
+                               iptr->target = uf;
 
-                               fr = class_getconstant(inline_env->method->class, i, CONSTANT_Fieldref);
-                               if (!resolve_classref(inline_env->method,fr->classref,resolveEager,true,&frclass))
-                                       return NULL;
+                               /* only with -noverify, otherwise the typechecker does this */
 
-                               fi = class_resolvefield(frclass,
-                                                                               fr->name,
-                                                                               fr->descriptor,
-                                                                               inline_env->method->class,
-                                                                               true);
+                               if (!opt_verify) {
+                                       if (!resolve_field(uf, resolveLazy, &fi))
+                                               return NULL;
 
-                               if (!fi)
-                                       return NULL;
+                                       iptr->val.a = fi;
 
-                               OP2A(opcode, fi->type, fi, currentline);
+#if defined(__MIPS__) || defined(__POWERPC__)
+                                       if (!fi || !fi->class->initialized)
+                                               inline_env->method->isleafmethod = false;
+#endif
+                               }
+                               else {
+                                       iptr->val.a = NULL;
+                               }
+                               PINC;
                        }
                        break;
 
 
-                       /* method invocation *****/
+               /* method invocation **************************************************/
 
                case JAVA_INVOKESTATIC:
-                       i = code_get_u2(p + 1,inline_env->method);
+                       i = code_get_u2(p + 1, inline_env->method);
                        {
-                               constant_FMIref *mr;
-                               methodinfo *mi;
-                               classinfo *mrclass;
-                               
+                               constant_FMIref   *mr;
+                               methoddesc        *md;
+                               unresolved_method *um;
+                               methodinfo        *mi;
+
                                inline_env->method->isleafmethod = false;
 
-                               mr = class_getconstant(inline_env->method->class, i, CONSTANT_Methodref);
-                               if (!resolve_classref(inline_env->method,mr->classref,resolveEager,true,&mrclass))
-                                       return NULL;
+                               mr = class_getconstant(inline_env->method->class, i,
+                                                                          CONSTANT_Methodref);
 
-                               mi = class_resolveclassmethod(mrclass,
-                                                                                         mr->name,
-                                                                                         mr->descriptor,
-                                                                                         inline_env->method->class,
-                                                                                         true);
+                               md = mr->parseddesc.md;
 
-                               if (!mi)
-                                       return NULL;
+                               if (!md->params)
+                                       if (!descriptor_params_from_paramtypes(md, ACC_STATIC))
+                                               return NULL;
+
+                               OP2A_NOINC(opcode, md->paramcount, mr, currentline);
 
-if (DEBUG4==true) { 
-       method_display_w_class(mi); 
-       printf("\tINVOKE STATIC\n");
-        fflush(stdout);}
+                               um = create_unresolved_method(inline_env->method->class,
+                                                                                         inline_env->method, iptr);
 
-                               if (!(mi->flags & ACC_STATIC)) {
-                                       *exceptionptr =
-                                               new_exception(string_java_lang_IncompatibleClassChangeError);
+                               if (!um)
                                        return NULL;
-                               }
 
-                               method_descriptor2types(mi);
-                               OP2A(opcode, mi->paramcount, mi, currentline);
+                               /* store the unresolved_method pointer */
+
+                               iptr->target = um;
+
+                               /* only with -noverify, otherwise the typechecker does this */
+
+                               if (!opt_verify) {
+                                       if (!resolve_method(um, resolveLazy, &mi))
+                                               return NULL;
+
+                                       iptr->val.a = mi;
+                               }
+                               else {
+                                       iptr->val.a = NULL;
+                               }
+                               PINC;
                        }
                        break;
 
                case JAVA_INVOKESPECIAL:
                case JAVA_INVOKEVIRTUAL:
-                       i = code_get_u2(p + 1,inline_env->method);
                        {
-                               constant_FMIref *mr;
-                               methodinfo *mi;
-                               classinfo *mrclass;
+                               constant_FMIref   *mr;
+                               methoddesc        *md;
+                               unresolved_method *um;
+                               methodinfo        *mi;
 
                                inline_env->method->isleafmethod = false;
 
-                               mr = class_getconstant(inline_env->method->class, i, CONSTANT_Methodref);
-                               if (!resolve_classref(inline_env->method,mr->classref,resolveEager,true,&mrclass))
-                                       return NULL;
+                               i = code_get_u2(p + 1, inline_env->method);
+                               mr = class_getconstant(inline_env->method->class, i,
+                                                                          CONSTANT_Methodref);
 
-                               mi = class_resolveclassmethod(mrclass,
-                                                                                         mr->name,
-                                                                                         mr->descriptor,
-                                                                                         inline_env->method->class,
-                                                                                         true);
+                               md = mr->parseddesc.md;
 
-                               if (!mi)
-                                       return NULL;
+                               if (!md->params)
+                                       if (!descriptor_params_from_paramtypes(md, 0))
+                                               return NULL;
+                               
+                               OP2A_NOINC(opcode, md->paramcount, mr, currentline);
 
-if (DEBUG4==true) { 
-       method_display_w_class(mi); 
-       printf("\tINVOKE SPEC/VIRT\n");
-        fflush(stdout);}
+                               um = create_unresolved_method(inline_env->method->class,
+                                                                                         inline_env->method, iptr);
 
-                               if (mi->flags & ACC_STATIC) {
-                                       *exceptionptr =
-                                               new_exception(string_java_lang_IncompatibleClassChangeError);
+                               if (!um)
                                        return NULL;
-                               }
 
-                               method_descriptor2types(mi);
-                               OP2A(opcode, mi->paramcount, mi, currentline);
+                               /* store the unresolved_method* */
+
+                               iptr->target = um;
+
+                               /* only with -noverify, otherwise the typechecker does this */
+
+                               if (!opt_verify) {
+                                       if (!resolve_method(um, resolveLazy, &mi))
+                                               return NULL;
+
+                                       iptr->val.a = mi;
+                               }
+                               else {
+                                       iptr->val.a = NULL;
+                               }
+                               PINC;
                        }
                        break;
 
                case JAVA_INVOKEINTERFACE:
-                       i = code_get_u2(p + 1,inline_env->method);
+                       i = code_get_u2(p + 1, inline_env->method);
                        {
-                               constant_FMIref *mr;
-                               methodinfo *mi;
-                               classinfo *mrclass;
+                               constant_FMIref   *mr;
+                               methoddesc        *md;
+                               unresolved_method *um;
+                               methodinfo        *mi;
                                
                                inline_env->method->isleafmethod = false;
 
-                               mr = class_getconstant(inline_env->method->class, i, CONSTANT_InterfaceMethodref);
-                               if (!resolve_classref(inline_env->method,mr->classref,resolveEager,true,&mrclass))
-                                       return NULL;
+                               mr = class_getconstant(inline_env->method->class, i,
+                                                                          CONSTANT_InterfaceMethodref);
 
-                               mi = class_resolveinterfacemethod(mrclass,
-                                                                                                 mr->name,
-                                                                                                 mr->descriptor,
-                                                                                                 inline_env->method->class,
-                                                                                                 true);
-                               if (!mi)
-                                       return NULL;
+                               md = mr->parseddesc.md;
+
+                               if (!md->params)
+                                       if (!descriptor_params_from_paramtypes(md, 0))
+                                               return NULL;
+
+                               OP2A_NOINC(opcode, md->paramcount, mr, currentline);
 
-                               if (mi->flags & ACC_STATIC) {
-                                       *exceptionptr =
-                                               new_exception(string_java_lang_IncompatibleClassChangeError);
+                               um = create_unresolved_method(inline_env->method->class,
+                                                                                         inline_env->method, iptr);
+
+                               if (!um)
                                        return NULL;
-                               }
 
-if (DEBUG4==true) { 
-       method_display_w_class(mi); 
-       printf("\tINVOKE INTERFACE\n");
-        fflush(stdout);}
-                               method_descriptor2types(mi);
-                               OP2A(opcode, mi->paramcount, mi, currentline);
+                               /* store the unresolved_method* */
+
+                               iptr->target = um;
+
+                               /* only with -noverify, otherwise the typechecker does this */
+
+                               if (!opt_verify) {
+                                       if (!resolve_method(um, resolveLazy, &mi))
+                                               return NULL;
+
+                                       iptr->val.a = mi;
+                               }
+                               else {
+                                       iptr->val.a = NULL;
+                               }
+                               PINC;
                        }
                        break;
 
-                       /* miscellaneous object operations *******/
+               /* miscellaneous object operations ************************************/
 
                case JAVA_NEW:
-                       {
-                               constant_classref *cr;
-                               classinfo *cls;
-                               
-                               i = code_get_u2(p + 1,inline_env->method);
-                               cr = (constant_classref *) class_getconstant(inline_env->method->class, i, CONSTANT_Class);
-                               if (!resolve_classref(inline_env->method,cr,resolveEager,true,&cls))
-                                       return NULL;
-                               LOADCONST_A_BUILTIN(cls);
-                               s_count++;
-                               BUILTIN1(BUILTIN_new, TYPE_ADR, currentline);
-                               OP(ICMD_CHECKEXCEPTION);
+                       i = code_get_u2(p + 1, inline_env->method);
+                       cr = (constant_classref *) class_getconstant(inline_env->method->class, i, CONSTANT_Class);
+
+                       if (!resolve_classref(inline_env->method, cr, resolveLazy, true, true,
+                                                                 &c))
+                               return NULL;
+
+                       if (c && c->initialized) {
+                               bte = builtintable_get_internal(BUILTIN_new);
+                               LOADCONST_A_BUILTIN(c);
+                               BUILTIN(bte, bte->md->paramcount, NULL, currentline);
+
+                       } else {
+                               bte = builtintable_get_internal(PATCHER_builtin_new);
+                               LOADCONST_A_BUILTIN(cr);
+                               BUILTIN(bte, bte->md->paramcount, cr, currentline);
                        }
+
+                       s_count++;
+                       OP(ICMD_CHECKEXCEPTION);
                        break;
 
                case JAVA_CHECKCAST:
-                       i = code_get_u2(p + 1,inline_env->method);
-                       {
-                               constant_classref *cr;
-                               classinfo *cls;
-                               
-                               cr = (constant_classref *) class_getconstant(inline_env->method->class, i, CONSTANT_Class);
-                               if (!resolve_classref(inline_env->method,
-                                                       cr,resolveEager,true,&cls))
-                                       return NULL;
+                       i = code_get_u2(p + 1, inline_env->method);
+                       cr = (constant_classref *) class_getconstant(inline_env->method->class, i, CONSTANT_Class);
 
-                               if (cls->vftbl->arraydesc) {
-                                       /* array type cast-check */
-                                       LOADCONST_A_BUILTIN(cls->vftbl);
-                                       s_count++;
-                                       BUILTIN2(BUILTIN_checkarraycast, TYPE_ADR,currentline);
-
-                               } else { /* object type cast-check */
-                                       /*
-                                         +                                               LOADCONST_A_BUILTIN(class_getconstant(class, i, CONSTANT_Class));
-                                         +                                               s_count++;
-                                         +                                               BUILTIN2(BUILTIN_checkcast, TYPE_ADR,currentline);
-                                         +                                             */
-                                       OP2A(opcode, 1, cls, currentline);
+                       if (!resolve_classref(inline_env->method, cr, resolveLazy, true,
+                                                                 true, &c))
+                               return NULL;
+
+                       if (cr->name->text[0] == '[') {
+                               /* array type cast-check */
+                               if (c) {
+                                       bte = builtintable_get_internal(BUILTIN_arraycheckcast);
+                                       OP2AT(ICMD_ARRAYCHECKCAST, 1, bte, c->vftbl, currentline);
+
+                               } else {
+                                       bte = builtintable_get_internal(PATCHER_builtin_arraycheckcast);
+                                       OP2AT(ICMD_ARRAYCHECKCAST, 0, bte, cr, currentline);
                                }
+                               inline_env->method->isleafmethod = false;
+
+                       } else {
+                               /* object type cast-check */
+                               OP2AT(opcode, 1, c, cr, currentline);
+
+#if defined(__MIPS__) || defined(__POWERPC__)
+                               if (!c)
+                                       inline_env->method->isleafmethod = false;
+#endif
                        }
                        break;
 
                case JAVA_INSTANCEOF:
                        i = code_get_u2(p + 1,inline_env->method);
-                       {
-                               constant_classref *cr;
-                               classinfo *cls;
-                               
-                               cr = (constant_classref *) class_getconstant(inline_env->method->class, i, CONSTANT_Class);
-                               if (!resolve_classref(inline_env->method,
-                                                       cr,resolveEager,true,&cls))
-                                       return NULL;
+                       cr = (constant_classref *) class_getconstant(inline_env->method->class, i, CONSTANT_Class);
 
-                               if (cls->vftbl->arraydesc) {
-                                       /* array type cast-check */
-                                       LOADCONST_A_BUILTIN(cls->vftbl);
-                                       s_count++;
-                                       BUILTIN2(BUILTIN_arrayinstanceof, TYPE_INT, currentline);
-                               }
-                               else { /* object type cast-check */
-                                       /*
-                                         LOADCONST_A_BUILTIN(class_getconstant(class, i, CONSTANT_Class));
-                                         s_count++;
-                                         BUILTIN2(BUILTIN_instanceof, TYPE_INT,currentline);
-                                         +                                             */
-                                       OP2A(opcode, 1, cls, currentline);
+                       if (!resolve_classref(inline_env->method, cr, resolveLazy, true, true, &c))
+                               return NULL;
+
+                       if (cr->name->text[0] == '[') {
+                               /* array type cast-check */
+                               if (c) {
+                                       bte = builtintable_get_internal(BUILTIN_arrayinstanceof);
+                                       LOADCONST_A_BUILTIN(c->vftbl);
+                                       BUILTIN(bte, bte->md->paramcount, NULL, currentline);
+
+                               } else {
+                                       bte = builtintable_get_internal(PATCHER_builtin_arrayinstanceof);
+                                       LOADCONST_A_BUILTIN(cr);
+                                       BUILTIN(bte, bte->md->paramcount, cr, currentline);
                                }
+                               s_count++;
+
+                       } else {
+                               /* object type cast-check */
+                               OP2AT(opcode, 1, c, cr, currentline);
                        }
+#if defined(__MIPS__) || defined(__POWERPC__)
+                       if (!c)
+                               inline_env->method->isleafmethod = false;
+#endif
                        break;
 
                case JAVA_MONITORENTER:
 #if defined(USE_THREADS)
                        if (checksync) {
-                               BUILTIN1(BUILTIN_monitorenter, TYPE_VOID,currentline);
+                               OP(ICMD_CHECKNULL);
+                               bte = builtintable_get_internal(BUILTIN_monitorenter);
+                               BUILTIN(bte, bte->md->paramcount, NULL, currentline);
                        } else
 #endif
                                {
-                                       OP(ICMD_NULLCHECKPOP);
+                                       OP(ICMD_CHECKNULL);
+                                       OP(ICMD_POP);
                                }
                        break;
 
                case JAVA_MONITOREXIT:
 #if defined(USE_THREADS)
                        if (checksync) {
-                               BUILTIN1(BUILTIN_monitorexit, TYPE_VOID,currentline);
-                               OP(ICMD_CHECKEXCEPTION);
+                               bte = builtintable_get_internal(BUILTIN_monitorexit);
+                               BUILTIN(bte, bte->md->paramcount, NULL, currentline);
                        } else
 #endif
                                {
@@ -1214,29 +1302,54 @@ if (DEBUG4==true) {
                                }
                        break;
 
-                       /* any other basic operation **************************************/
+               /* any other basic operation ******************************************/
 
                case JAVA_IDIV:
+#if !SUPPORT_DIVISION
+                       bte = builtintable_get_internal(BUILTIN_idiv);
+                       OP2A(opcode, bte->md->paramcount, bte, currentline);
+                       inline_env->method->isleafmethod = false;
+#else
                        OP(opcode);
+#endif
                        break;
 
                case JAVA_IREM:
+#if !SUPPORT_DIVISION
+                       bte = builtintable_get_internal(BUILTIN_irem);
+                       OP2A(opcode, bte->md->paramcount, bte, currentline);
+                       inline_env->method->isleafmethod = false;
+#else
                        OP(opcode);
+#endif
                        break;
 
                case JAVA_LDIV:
+#if !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_DIV)
+                       bte = builtintable_get_internal(BUILTIN_ldiv);
+                       OP2A(opcode, bte->md->paramcount, bte, currentline);
+                       inline_env->method->isleafmethod = false;
+#else
                        OP(opcode);
+#endif
                        break;
 
                case JAVA_LREM:
+#if !(SUPPORT_DIVISION && SUPPORT_LONG && SUPPORT_LONG_DIV)
+                       bte = builtintable_get_internal(BUILTIN_lrem);
+                       OP2A(opcode, bte->md->paramcount, bte, currentline);
+                       inline_env->method->isleafmethod = false;
+#else
                        OP(opcode);
+#endif
                        break;
 
                case JAVA_FREM:
 #if defined(__I386__)
                        OP(opcode);
 #else
-                       BUILTIN2(BUILTIN_frem, TYPE_FLOAT,currentline);
+                       bte = builtintable_get_internal(BUILTIN_frem);
+                       BUILTIN(bte, bte->md->paramcount, NULL, currentline);
 #endif
                        break;
 
@@ -1244,14 +1357,16 @@ if (DEBUG4==true) {
 #if defined(__I386__)
                        OP(opcode);
 #else
-                       BUILTIN2(BUILTIN_drem, TYPE_DOUBLE,currentline);
+                       bte = builtintable_get_internal(BUILTIN_drem);
+                       BUILTIN(bte, bte->md->paramcount, NULL, currentline);
 #endif
                        break;
 
                case JAVA_F2I:
 #if defined(__ALPHA__)
                        if (!opt_noieee) {
-                               BUILTIN1(BUILTIN_f2i, TYPE_INT,currentline);
+                               bte = builtintable_get_internal(BUILTIN_f2i);
+                               BUILTIN(bte, bte->md->paramcount, NULL, currentline);
                        } else
 #endif
                                {
@@ -1262,7 +1377,8 @@ if (DEBUG4==true) {
                case JAVA_F2L:
 #if defined(__ALPHA__)
                        if (!opt_noieee) {
-                               BUILTIN1(BUILTIN_f2l, TYPE_LONG,currentline);
+                               bte = builtintable_get_internal(BUILTIN_f2l);
+                               BUILTIN(bte, bte->md->paramcount, NULL, currentline);
                        } else 
 #endif
                                {
@@ -1273,7 +1389,8 @@ if (DEBUG4==true) {
                case JAVA_D2I:
 #if defined(__ALPHA__)
                        if (!opt_noieee) {
-                               BUILTIN1(BUILTIN_d2i, TYPE_INT,currentline);
+                               bte = builtintable_get_internal(BUILTIN_d2i);
+                               BUILTIN(bte, bte->md->paramcount, NULL, currentline);
                        } else
 #endif
                                {
@@ -1284,7 +1401,8 @@ if (DEBUG4==true) {
                case JAVA_D2L:
 #if defined(__ALPHA__)
                        if (!opt_noieee) {
-                               BUILTIN1(BUILTIN_d2l, TYPE_LONG,currentline);
+                               bte = builtintable_get_internal(BUILTIN_d2l);
+                               BUILTIN(bte, bte->md->paramcount, NULL, currentline);
                        } else
 #endif
                                {
@@ -1349,8 +1467,10 @@ if (DEBUG4==true) {
                case 253:
                case 254:
                case 255:
-                       printf("Illegal opcode %d at instr %d\n", opcode, ipc);
-                       panic("Illegal opcode encountered");
+                       *exceptionptr =
+                               new_internalerror("Illegal opcode %d at instr %d\n",
+                                                                 opcode, ipc);
+                       return NULL;
                        break;
 
                default:
@@ -1360,11 +1480,12 @@ if (DEBUG4==true) {
                } /* end switch */
 
                /* If WIDE was used correctly, iswide should have been reset by now. */
-               if (iswide && opcode != JAVA_WIDE)
-                       panic("Illegal instruction: WIDE before incompatible opcode");
-               
-               /* INLINING */
-                 
+               if (iswide && opcode != JAVA_WIDE) {
+                       log_text("Illegal instruction: WIDE before incompatible opcode");
+                       assert(0);
+               }
+
+#if defined(USE_INLINING)
                /* if (inline_env->isinlinedmethod && p == inline_env->method->jcodelength - 1) { */ /* end of an inlined method */
                if (inline_env->isinlinedmethod && (nextp >= inline_env->method->jcodelength) ) { /* end of an inlined method */
                        /*                printf("setting gp from %d to %d\n",gp, inlinfo->stopgp); */
@@ -1385,14 +1506,17 @@ METHINFOt(inline_env->method,"AFTER RESTORE : ",DEBUG);
                        label_index=inlinfo->label_index;
                        firstlocal = inlinfo->firstlocal;
                }
+#endif /* defined(USE_INLINING) */
 
        } /* end for */
 
 
        if (p != m->jcodelength) {
                printf("p (%d) != m->jcodelength (%d)\n",p,m->jcodelength);
-               panic("Command-sequence crosses code-boundary");
+               log_text("Command-sequence crosses code-boundary");
+               assert(0);
        }
+
        if (!blockend) {
                *exceptionptr = new_verifyerror(m, "Falling off the end of the code");
                return NULL;
@@ -1441,11 +1565,15 @@ METHINFOt(inline_env->method,"AFTER RESTORE : ",DEBUG);
                for (p = 0; p < inline_env->cumjcodelength; p++) { 
                /* for (p = 0; p < m->jcodelength; p++) { */
                        if (m->basicblockindex[p] & 1) {
-                               /* check if this block starts at the beginning of an instruction */
+                               /* Check if this block starts at the beginning of an          */
+                               /* instruction.                                               */
+
                                if (!instructionstart[p]) {
-                                       printf("Basic Block beginn: %d\n",p);
-                                       panic("Branch into middle of instruction");
+                                       /* XXX TODO throw exception? which one? */
+                                       dolog("Branch into middle of instruction: Basic Block beginn: %d\n", p);
+                                       assert(0);
                                }
+
                                /* allocate the block */
                                bptr->iinstr = m->instructions + (m->basicblockindex[p] >> 1);
                                bptr->debug_nr = m->c_debug_nr++;
@@ -1496,8 +1624,11 @@ METHINFOt(inline_env->method,"AFTER RESTORE : ",DEBUG);
                        cd->exceptiontable[i].handler = m->basicblocks + m->basicblockindex[p];
            }
        }
-       
-       if (useinlining) inlining_cleanup(inline_env);
+
+#if defined(USE_INLINING)      
+       if (useinlining)
+               inlining_cleanup(inline_env);
+#endif
 
        /* just return methodinfo* to signal everything was ok */
 
@@ -1517,4 +1648,3 @@ METHINFOt(inline_env->method,"AFTER RESTORE : ",DEBUG);
  * tab-width: 4
  * End:
  */
-